6 verses have
only
in Edition Clear Qur'an by Talal Itani / Al-Furqaan (The Criterion)

25:7And they say, “What sort of messenger is this, who eats food, and walks in the marketplaces? If only an angel was sent down with him, to be alongside him a warner.”

25:8Or, “If only a treasure was dropped on him.” Or, “If only he had a garden from which he eats.” The evildoers also say, “You are following but a man under spell.”

25:21Those who do not expect to meet Us say, “If only the angels were sent down to us, or we could see our Lord.” They have grown arrogant within themselves, and have become excessively defiant.

25:27On that Day, the wrongdoer will bite his hands, and say, “If only I had followed the way with the Messenger.

25:56We sent you only as a herald of good news and a warner.

25:57Say, “I ask of you no payment for this—only that whoever wills may take a path to his Lord.”